(1/5)
Latest Coastal Waters Forecast by TJSJ
Issued 9/10/2026 4:30 PM America/Puerto_Rico.
Valid through 9/11/2026 5:15 AM America/Puerto_Rico.
fzca52 tjsj 102030
cwfsju
expires:202609110915;;236404
coastal waters forecast
national weather service san juan pr
430 pm ast thu sep 10 2026
puerto rico and the u.s. virgin islands waters
seas are provided as a range of the average height of the highest
1/3 of the waves...along with the occasional height of the average
highest 10 percent of the waves.
amz712-110915-
coastal waters of northern puerto rico out 10 nm-
430 pm ast thu sep 10 2026
...small craft should exercise caution...
.tonight...east winds 15 to 20 knots with gusts up to 30 knots,
diminishing to 10 to 15 knots with gusts up to 25 knots late this
evening and overnight. seas 4 to 6 feet, occasionally to 8 feet.
wave detail: east 5 feet at 7 seconds and north 2 feet at
10 seconds. isolated showers.
.friday...east winds 10 to 15 knots with gusts up to 20 knots,
increasing to 15 to 20 knots with gusts up to 30 knots in the
afternoon. seas 4 to 5 feet, occasionally to 6 feet. wave detail:
east 5 feet at 8 seconds and north 2 feet at 9 seconds.
.friday night...east winds 10 to 15 knots with gusts up to 25 knots.
seas 4 to 5 feet, occasionally to 6 feet. wave detail: east 5 feet
at 8 seconds and north 1 foot at 9 seconds.
.saturday...east winds 10 to 15 knots, increasing to 15 to 20 knots
in the afternoon. seas 4 to 5 feet, occasionally to 6 feet. wave
detail: east 5 feet at 8 seconds and north 1 foot at 8 seconds.
.saturday night...east winds 10 to 15 knots with gusts up to
25 knots. seas 4 to 5 feet, occasionally to 6 feet. wave detail:
east 5 feet at 8 seconds and north 1 foot at 10 seconds. scattered
showers in the evening.
.sunday...east winds 10 to 15 knots, increasing to 15 to 20 knots in
the afternoon. seas 4 to 5 feet, occasionally to 6 feet. wave
detail: east 4 feet at 7 seconds and north 1 foot at 10 seconds.
.sunday night...east winds 15 to 20 knots, diminishing to 10 to
15 knots after midnight. seas 4 to 5 feet, occasionally to 6 feet.
scattered showers.
.monday...east winds 10 to 15 knots, increasing to 15 to 20 knots in
the afternoon. seas 3 to 4 feet, occasionally to 5 feet. scattered
showers in the morning.
.monday night...east winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. seas 3 to 4 feet, occasionally to 5 feet.
.tuesday...east winds 10 to 15 knots. seas 3 to 4 feet, occasionally
to 5 feet.
.tuesday night...east winds 10 to 15 knots. seas 3 to 4 feet,
occasionally to 5 feet. scattered showers.
$$
(2/5)
Latest Coastal Waters Forecast by TJSJ
Issued 9/10/2026 4:30 PM America/Puerto_Rico.
Valid through 9/11/2026 5:15 AM America/Puerto_Rico.
fzca52 tjsj 102030
cwfsju
expires:202609110915;;236409
coastal waters forecast
national weather service san juan pr
430 pm ast thu sep 10 2026
puerto rico and the u.s. virgin islands waters
seas are provided as a range of the average height of the highest
1/3 of the waves...along with the occasional height of the average
highest 10 percent of the waves.
amz735-110915-
coastal waters of southern puerto rico out 10 nm-
430 pm ast thu sep 10 2026
...small craft should exercise caution...
.tonight...east winds 15 to 20 knots with gusts up to 25 knots,
diminishing to 10 to 15 knots with gusts up to 25 knots late. seas
3 to 5 feet, occasionally to 6 feet. wave detail: east 4 feet at
7 seconds. scattered showers, mainly this evening.
.friday...east winds 15 to 20 knots with gusts up to 25 knots. seas
3 to 5 feet, occasionally to 6 feet. wave detail: east 4 feet at
7 seconds.
.friday night...east winds 15 to 20 knots, diminishing to 10 to
15 knots after midnight. seas 3 to 5 feet, occasionally to 6 feet.
wave detail: east 4 feet at 7 seconds.
.saturday...east winds 10 to 15 knots, increasing to 15 to 20 knots
in the afternoon. seas 3 to 5 feet, occasionally to 6 feet. wave
detail: east 4 feet at 7 seconds.
.saturday night...northeast winds 10 to 15 knots with gusts up to
25 knots. seas 3 to 4 feet, occasionally to 5 feet. wave detail:
east 4 feet at 7 seconds.
.sunday...east winds 10 to 15 knots, increasing to 15 to 20 knots in
the afternoon. seas 3 to 4 feet, occasionally to 5 feet. wave
detail: east 4 feet at 7 seconds.
.sunday night...east winds 10 to 15 knots with gusts up to 25 knots.
seas 3 to 4 feet, occasionally to 5 feet. scattered showers.
.monday...east winds 10 to 15 knots, increasing to 15 to 20 knots in
the afternoon. seas 3 to 4 feet, occasionally to 5 feet. scattered
showers in the morning.
.monday night...east winds 10 to 15 knots. seas 3 to 4 feet,
occasionally to 5 feet.
.tuesday...east winds 10 to 15 knots. seas 3 to 4 feet, occasionally
to 5 feet. scattered showers in the afternoon.
.tuesday night...east winds 10 to 15 knots. seas 3 to 4 feet,
occasionally to 5 feet.
$$
(3/5)
Latest Coastal Waters Forecast by TJSJ
Issued 9/10/2026 4:30 PM America/Puerto_Rico.
Valid through 9/11/2026 5:15 AM America/Puerto_Rico.
fzca52 tjsj 102030
cwfsju
expires:202609110915;;236410
coastal waters forecast
national weather service san juan pr
430 pm ast thu sep 10 2026
puerto rico and the u.s. virgin islands waters
seas are provided as a range of the average height of the highest
1/3 of the waves...along with the occasional height of the average
highest 10 percent of the waves.
amz741-110915-
mona passage southward to 17n-
430 pm ast thu sep 10 2026
...small craft should exercise caution...
.tonight...east winds 15 to 20 knots with gusts up to 25 knots. seas
5 to 6 feet, occasionally to 8 feet. wave detail: east 5 feet at
7 seconds and north 2 feet at 10 seconds. isolated showers this
evening, then scattered showers after midnight.
.friday...east winds 15 to 20 knots with gusts up to 25 knots. seas
4 to 6 feet, occasionally to 8 feet. wave detail: east 5 feet at
7 seconds and north 2 feet at 9 seconds.
.friday night...east winds 15 to 20 knots with gusts up to 30 knots.
seas 4 to 6 feet, occasionally to 8 feet. wave detail: east 6 feet
at 7 seconds and north 2 feet at 8 seconds.
.saturday...east winds 15 to 20 knots with gusts up to 30 knots.
seas 4 to 6 feet, occasionally to 8 feet. wave detail: east 6 feet
at 7 seconds.
.saturday night...east winds 15 to 20 knots with gusts up to
30 knots. seas 4 to 6 feet, occasionally to 8 feet. wave detail:
east 6 feet at 7 seconds.
.sunday...east winds 15 to 20 knots, diminishing to 10 to 15 knots
in the afternoon. seas 4 to 6 feet, occasionally to 8 feet. wave
detail: east 5 feet at 7 seconds.
.sunday night...east winds 10 to 15 knots, increasing to 15 to
20 knots after midnight. seas 4 to 5 feet, occasionally to 6 feet.
.monday...east winds 15 to 20 knots, diminishing to 10 to 15 knots
in the afternoon. seas 3 to 5 feet, occasionally to 6 feet.
.monday night...east winds 10 to 15 knots, increasing to 15 to
20 knots after midnight. seas 3 to 5 feet, occasionally to 6 feet.
scattered showers.
.tuesday...east winds 15 to 20 knots. seas 3 to 5 feet, occasionally
to 6 feet.
.tuesday night...east winds 10 to 15 knots. seas 3 to 5 feet,
occasionally to 6 feet.
$$
(4/5)
Latest Coastal Waters Forecast by TJSJ
Issued 9/10/2026 4:30 PM America/Puerto_Rico.
Valid through 9/11/2026 5:15 AM America/Puerto_Rico.
fzca52 tjsj 102030
cwfsju
expires:202609110915;;236411
coastal waters forecast
national weather service san juan pr
430 pm ast thu sep 10 2026
puerto rico and the u.s. virgin islands waters
seas are provided as a range of the average height of the highest
1/3 of the waves...along with the occasional height of the average
highest 10 percent of the waves.
amz742-110915-
coastal waters of northwestern puerto rico out 10 nm-
430 pm ast thu sep 10 2026
.tonight...east winds 10 to 15 knots with gusts up to 25 knots,
diminishing to 5 to 10 knots after midnight. seas 3 to 5 feet,
occasionally to 6 feet. wave detail: east 4 feet at 5 seconds and
north 2 feet at 10 seconds. isolated showers early this evening.
.friday...east winds 5 to 10 knots, becoming northeast 10 to
15 knots with gusts up to 20 knots in the afternoon. seas 2 to
4 feet, occasionally to 5 feet. wave detail: east 4 feet at
5 seconds and north 2 feet at 9 seconds. scattered showers in the
afternoon.
.friday night...east winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. seas 2 to 4 feet, occasionally to 5 feet.
wave detail: southeast 3 feet at 6 seconds and north 2 feet at
8 seconds.
.saturday...east winds around 5 knots, becoming northeast 10 to
15 knots with gusts up to 25 knots in the afternoon. seas 2 to
4 feet, occasionally to 5 feet. wave detail: east 3 feet at
6 seconds.
.saturday night...northeast winds 15 to 20 knots, becoming east
10 to 15 knots after midnight. seas 2 to 4 feet, occasionally to
5 feet. wave detail: northeast 4 feet at 6 seconds.
.sunday...east winds 10 to 15 knots, diminishing to 5 to 10 knots in
the afternoon. seas 2 to 4 feet, occasionally to 5 feet. wave
detail: northeast 3 feet at 6 seconds. scattered showers in the
afternoon.
.sunday night...east winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. seas 2 to 3 feet.
.monday...northeast winds 5 to 10 knots. seas 2 to 3 feet. numerous
showers in the afternoon.
.monday night...east winds 5 to 10 knots. seas 2 to 3 feet.
scattered showers.
.tuesday...east winds 5 to 10 knots. seas 2 to 3 feet.
.tuesday night...east winds 5 to 10 knots. seas 2 to 3 feet.
scattered showers.
$$
(5/5)
Latest Coastal Waters Forecast by TJSJ
Issued 9/10/2026 4:30 PM America/Puerto_Rico.
Valid through 9/11/2026 5:15 AM America/Puerto_Rico.
fzca52 tjsj 102030
cwfsju
expires:202609110915;;236412
coastal waters forecast
national weather service san juan pr
430 pm ast thu sep 10 2026
puerto rico and the u.s. virgin islands waters
seas are provided as a range of the average height of the highest
1/3 of the waves...along with the occasional height of the average
highest 10 percent of the waves.
amz745-110915-
coastal waters of southwestern puerto rico out 10 nm-
430 pm ast thu sep 10 2026
...small craft should exercise caution...
.tonight...east winds 15 to 20 knots, diminishing to 5 to 10 knots.
seas 2 to 3 feet. wave detail: southeast 3 feet at 5 seconds.
.friday...east winds 10 to 15 knots, increasing to 15 to 20 knots in
the afternoon. seas 2 to 3 feet. wave detail: southeast 3 feet at
6 seconds and north 1 foot at 9 seconds.
.friday night...east winds 10 to 15 knots with gusts up to 20 knots.
seas 2 to 3 feet. wave detail: southeast 3 feet at 6 seconds and
north 1 foot at 8 seconds.
.saturday...east winds 5 to 10 knots. seas 2 to 3 feet. wave detail:
southeast 2 feet at 6 seconds and north 1 foot at 8 seconds.
scattered showers in the afternoon.
.saturday night...northeast winds 5 to 10 knots. seas 2 to 3 feet.
wave detail: southeast 2 feet at 7 seconds and north 1 foot at
7 seconds.
.sunday...east winds 5 to 10 knots. seas 2 to 3 feet. wave detail:
southeast 2 feet at 7 seconds. scattered showers in the afternoon.
.sunday night...east winds 5 to 10 knots. seas 2 to 3 feet.
.monday...east winds 5 to 10 knots. seas 2 to 3 feet. numerous
showers in the afternoon.
.monday night...east winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. seas 2 to 3 feet.
.tuesday...east winds around 5 knots, increasing to 5 to 10 knots in
the afternoon. seas 2 to 3 feet.
.tuesday night...east winds 5 to 10 knots. seas around 2 feet.
$$
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